A golden-colored cube is handed to you. The person wants you to buy it for $100, saying that is a gold nugget. You pull out your old geology text and look up gold in the mineral table, and read that its density is 19.3 g/cm^3. You measure the cube and find that it is 3cm on each side, and weighs 40 g. What is its density? Is it gold? Should you buy it? Rocks are sometimes used along coasts to prevent erosion. If a rock needs to weigh 2,000 kilograms (about 2 tons) in order not to be shifted by waves, how big (what volume) does it need to be? You are using basalt, which has a typical density of 3200 kg/m^3 You have a sample of granite with density 174.8 lbs/ft3. The density of water is 62.4 lbs/ft^3. What is the specific gravity of the granite now?
A golden-colored cube is handed to you. The person wants you to buy it for $100, saying that is a gold nugget. You pull out your old geology text and look up gold in the mineral table, and read that its density is 19.3 g/cm^3. You measure the cube and find that it is 3cm on each side, and weighs 40 g. What is its density? Is it gold? Should you buy it? Rocks are sometimes used along coasts to prevent erosion. If a rock needs to weigh 2,000 kilograms (about 2 tons) in order not to be shifted by waves, how big (what volume) does it need to be? You are using basalt, which has a typical density of 3200 kg/m^3 You have a sample of granite with density 174.8 lbs/ft3. The density of water is 62.4 lbs/ft^3. What is the specific gravity of the granite now?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A golden-colored cube is handed to you. The person wants you to buy it for $100, saying that is a gold nugget. You pull out your old geology text and look up gold in the mineral table, and read that its density is 19.3 g/cm^3. You measure the cube and find that it is 3cm on each side, and weighs 40 g. What is its density? Is it gold? Should you buy it?
Rocks are sometimes used along coasts to prevent erosion. If a rock needs to weigh 2,000 kilograms (about 2 tons) in order not to be shifted by waves, how big (what volume) does it need to be? You are using basalt, which has a typical density of 3200 kg/m^3
You have a sample of granite with density 174.8 lbs/ft3. The density of water is 62.4 lbs/ft^3. What is the specific gravity of the granite now?
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